gaboshlib/gaboshlib/g_retrycmd.bashfunc

#!/bin/bash

function g_retrycmd {
  # If retry delay not set default to 5 seconds
  [ -z "$g_tries_delay" ] && g_tries_delay=5
  # If retrys not set default to 5 times
  [ -z "$g_tries" ] && g_tries=5

  #>&2 echo "$(g_date_print) Trying $@"

  local g_try=0
  until [ $g_try -eq $g_tries ]
  do
    ((g_try=g_try+1))
    #>&2 echo "$(g_date_print) Try $g_try of $g_tries"
    echo "$@" >$g_tmp/g_retrycmd.cmd
    bash $g_tmp/g_retrycmd.cmd && return 0
    g_return=$?
    grep -q "test " $g_tmp/g_retrycmd.cmd && return $g_return
    if [ $g_try -eq $g_tries ]
    then
      [ -z "$g_return" ] || g_echo_error "${FUNCNAME}: $@ failed all $g_tries tries"
      return $g_return
    fi
    sleep $g_tries_delay
  done

  return ${g_return}
}